rust for 循环
fn main() { use std::time::Instant; let now = Instant::now(); //计算耗时 //===================================================== for i in 0..5000 { println!("{}", i); } //===================================================== //计算耗时 let duration =...
rust while 循环输出
fn main() { use std::time::Instant; let now = Instant::now(); //计算耗时 //===================================================== let mut i = 0; while i < 10000 { // 循环体 i += 1; println!("值为 : {}", i); } //=============================...
rust 计算运行耗时代码模板
fn main() { use std::time::Instant; let now = Instant::now(); //计算耗时 //===================================================== //===================================================== //计算耗时 let duration = now.elapsed(); let s = duration.as_secs(); let mut ms = durat...
rust url 编码解码
use urlencoding::decode; use urlencoding::encode; fn main() { let encoded = encode("https://docs.rs/urlencoding/2.1.0/urlencoding/"); println!("编码后：{}", encoded); let decoded = decode(&encoded).expect("UTF-8"); println!("解码后：{}", decod...
C++ Windows锁屏+息屏
#include <Windows.h> #pragma comment(linker,"/subsystem:\"Windows\" /entry:\"main\"") int main() { while (true) { if ((GetAsyncKeyState(VK_LWIN) & 0x8000) && (GetAsyncKeyState('O') & 0x8000)) { LockWorkStati...
js过滤特殊字符
// 过滤所有特殊字符 var stripscript = function(s) { var pattern = new RegExp("[`~!@#$^&*()=|{}':;',\\[\\].<>/?~！@#￥……&*（）——|{}【】‘；：”“'。，、？↵\r\n]"); var rs = ""; for (var i = 0; i < s.length; i++) { rs = rs + s.substr(i, 1).replace(pattern, '');...
goland 实现 http post
package main import ( "fmt" "strings" "io/ioutil" "net/http" ) func httpPost() { resp, err := http.Post("http://www.xxxx.com/api/httpdclient2/","application/x-www-form-urlencoded", strings.NewReader("id=test&am...
linux goland 配置国内镜像
linux 用户按一下操作# 控制台中输入一下命令 $ go env -w GO111MODULE=on $ go env -w GOPROXY=https://goproxy.cn,direct # 查看go所有相关配置 $ go env # 修改 ~/.profile $ echo "export GO111MODULE=on" >> ~/.profile $ echo "export GOPROXY=https://goproxy.cn" >> ~/.profile # 重启配置, 如果是在vscode中下载辅助工具失...
golang引用第三方包的报错：no required module provides package
关于golang第三方包的引用报错：no required module provides package : go.mod file not found in current directory or any parent directory;需要倒入包：go get github.com/denisenkom/go-mssqldb go get github.com/mattn/go-adodb 全部无反应，着手去分析问题到底出在哪里？命令：go env 先排除 go env 里面：GO111MODULE （我的是GO111MODULE="on"，导致下载失败）执行：go env ...
goland 下载安装
官方地址：https://golang.google.cn/doc/install根据不同的系统进行下载。二、下面演示在linux系统下安装2.1 删除 /usr/local/go 目录, 根据官方说法，如果之前有安装过go，那么需要将该位置的go目录删除掉$ rm -rf /usr/local/go 2.2 解压并安装切换到 golang.tar.gz 存放目录, 已经在跟目录就执行 cd Downloads/$ cd /Download 解压golang到 /usr/local 下$ sudo tar -C /usr/local -xzf go1.14.3.linux-amd64.t...
